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Instant beans obtained from simultaneous processes of drying and size reduction
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology.
2006 (English)In: XXII Interamerican Congress of Chemical Engineering, CIIQ 2006 and V Argentinian Congress of Chemical Engineering, CAIQ 2006 - Innovation and Management for Sustainable Development, Asociacion Argentina de Ingenieros Quimicos , 2006Conference paper, Published paper (Refereed)
Abstract [en]

The kinetics of the drying of beans in simultaneous processes of contact drying and particle size reduction has been experimentally studied, and the particle size distribution of the final dried solid has been analyzed. The work is focused on some operating parameters, such as drying temperature, stirring speed and bean load mass, that influence on the dehydration of beans during those simultaneous processes. Drying rate curves were developed from the experimental data of moisture content changing with time, and particle size distribution of the final dried solid was analyzed. The results reveals that drying temperature, stirring speed and mass load are crucial for both the drying processing and the quality of the final product. The particle size reduction itself improves the drying rate as well since the heat and mass transfer area increases with the grain destruction. The final product contains values between 40-50% of suitable size for commercial proposes. The simultaneous process of two operations shows advantages as energy saving and fast processing that would be greatly significant once brought to industrial scale since the milling process needed afterwards would be reduced.

Place, publisher, year, edition, pages
Asociacion Argentina de Ingenieros Quimicos , 2006.
Keywords [en]
Contact drying, Dehydration, Particle size distribution
National Category
Chemical Process Engineering
Identifiers
URN: urn:nbn:se:kth:diva-202060Scopus ID: 2-s2.0-84992365122OAI: oai:DiVA.org:kth-202060DiVA, id: diva2:1075862
Conference
22nd Interamerican Congress of Chemical Engineering, CIIQ 2006 and 5th Argentinian Congress of Chemical Engineering, CAIQ 2006, 1 October 2006 through 4 October 2006
Note

QC 20170221

Available from: 2017-02-21 Created: 2017-02-21 Last updated: 2017-02-21Bibliographically approved

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CiteExportLink to record
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  • apa
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  • ieee
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  • de-DE
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  • nn-NB
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  • Other locale
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